P0676

Symptoms

• Difficulty starting a diesel engine in cold weather
• Check Engine Light
• White smoke from exhaust pipe when starting
• Unstable engine operation after a cold start
• Glow plug indicator on the dashboard

Causes

• Burnt out glow plug cylinder 6
• Broken spark plug power wire
• Oxidation or poor contact in the connector
• GPCM module malfunction
• Wiring damage

How to Fix

1. Read OBD-II error codes
2. Measure the resistance of the glow plug of cylinder 6 (standard: 0.5–2 Ohm)
3. Inspect the wiring and connector
4. Check spark plug voltage
5. Replace a faulty glow plug
6. If the error occurs again - GPCM diagnostics

Related codes

Error P0676 by Vehicle Brand